Filler for caoutchouc and process of manufacturing same.



UNITED STATES PATENT oEEIoE.

LAMBEBTUS ELFRINK, OF MODJOKEBTO, JAVA;

FILLER FOB CAOUTCHOUC ,AND PROCESS OF MANUFACTURING SAME.

1,062,958. No Drawing.

To all whomz't may concern Be it known that I, LAMBERTUS ELERINK, acitizen of the Netherlands, residing at Modjokerto, Surabaya, Java, haveinvented certain new and useful Improvemen s in Fillers for Caoutchoucand Processes for Manufacturing Same, of which the following is aspecification.

This invention relates to a filler for caoutchouc' which can easily bemixed with the caoutchouc in arbitrary proportions without injuring itsproperty of being adapted to be vulcanized and which is insoluble inwater and a plurality of other solvents and hardly attacked by acids andalkalis; and further relates to the composition of caoutchouc with thefiller.

The new filler is manufactured from aquatic animals especially fishesof'every kind by removing the components soluble in water, drying thesolid residue and comminuting it to a fine powder.

In carrying out the invention the fishes for instance cod or haddock areboiled from 2 to 21} hours in water of 100 degrees centigrade undercontinual stirring. Thereafter the liquid containing the soluble albuminand other soluble substances is drained off and a solid residue isobtained containing in- Gopies 0! this patent may be obtained for fivecents each, by addressing the Washington, D. 0.

Specification of Letters Patent. Patented May 27, 1913, Applicationfiled January 29, 1913. Serial No. 745,049. I

soluble albumin and other insoluble matter. ThlS insoluble residue isthen communicated and preferably treated with preserving agents such acorrosive sublimate, phenol, etc. Then the mass is slowly dried at atemperature'of to degrees centigrade and pulverized to as fine a powderas possible.

What- I claim is 1. In a caoutchouc composition a filler comprising thefinely divided insoluble components of aquatic animals.

' 2. In a caoutchouc composition a filler comprising the dry insolublepowder of the flesh of aquatic animals.

3. In a caoutchouc composition a filler comprising the dry insolublepowder of the flesh of fishes.

l. A composition of matter comprising caoutchouc mixed with the powderedinsoluble parts of aquatic animals. v

5. A composition of matter comprising caoutchouc mixed with the powderedinsoluble flesh of fishes. I

In testimony whereof I aflix my signature in presence of two witnesses.

L. ELFRINK.

' Witnesses:

A. NORTUIL, J. WIRLCHEY.

Gommissloner o1 Iatenta;

